ARC: enable SG chaining

Vladimir Kondratiev · vineetgarc · commit 983eeba7d2a8 · 2016-12-18T18:45:32.000-08:00
Signed-off-by: Vladimir Kondratiev &lt;vladimir.kondratiev@intel.com&gt;
Signed-off-by: Vineet Gupta &lt;vgupta@synopsys.com&gt;
diff --git a/Documentation/features/io/sg-chain/arch-support.txt b/Documentation/features/io/sg-chain/arch-support.txt
@@ -7,7 +7,7 @@
     |         arch |status|
     -----------------------
     |       alpha: | TODO |
-    |         arc: | TODO |
+    |         arc: |  ok  |
     |         arm: |  ok  |
     |       arm64: |  ok  |
     |       avr32: | TODO |
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
@@ -9,6 +9,7 @@
 config ARC
 	def_bool y
 	select ARC_TIMERS
+	select ARCH_HAS_SG_CHAIN
 	select ARCH_SUPPORTS_ATOMIC_RMW if ARC_HAS_LLSC
 	select BUILDTIME_EXTABLE_SORT
 	select CLONE_BACKWARDS
